212210102312 has 32 divisors (see below), whose sum is σ = 428566972680. Its totient is φ = 97928083200.

The previous prime is 212210102311. The next prime is 212210102341. The reversal of 212210102312 is 213201012212.

It can be written as a sum of positive squares in 4 ways, for example, as 29065476196 + 183144626116 = 170486^2 + 427954^2 .

It is not an unprimeable number, because it can be changed into a prime (212210102311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538562 + ... + 845262.

Almost surely, 2^212210102312 is an apocalyptic number.

It is an amenable number.

212210102312 is an abundant number, since it is smaller than the sum of its proper divisors (216356870368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212210102312 is a wasteful number, since it uses less digits than its factorization.

212210102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313373 (or 313369 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212210102312 its reverse (213201012212), we get a palindrome (425411114524).

The spelling of 212210102312 in words is "two hundred twelve billion, two hundred ten million, one hundred two thousand, three hundred twelve".